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@msgpack/msgpack
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@msgpack/msgpack - npm Package Compare versions
Comparing version 1.6.0 to 1.7.0
| This is the revision history of @msgpack/msgpack | ||
| ## v1.7.0 2019/08/2 | ||
| https://github.com/msgpack/msgpack-javascript/compare/v1.6.0...v1.7.0 | ||
| * Introduce cache for map keys, which improves decoding in 1.5x faster for the benchmark (@sergeyzenchenko) [#54](https://github.com/msgpack/msgpack-javascript/pull/54) | ||
| * | ||
| ## v1.6.0 2019/07/19 | ||
@@ -4,0 +11,0 @@ |
@@ -1,2 +0,2 @@ | ||
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16:return[3,18];case 17:if(c)throw c.error;return[7];case 18:return[7];case 19:return[2]}})})},e.prototype.decodeSync=function(){e:for(;;){var e=this.readHeadByte(),t=void 0;if(e>=224)t=e-256;else if(e<192)if(e<128)t=e;else if(e<144){if(0!==(n=e-128)){this.pushMapState(n),this.complete();continue e}t={}}else if(e<160){if(0!==(n=e-144)){this.pushArrayState(n),this.complete();continue e}t=[]}else{var r=e-160;t=this.decodeUtf8String(r,0)}else if(192===e)t=null;else if(194===e)t=!1;else if(195===e)t=!0;else if(202===e)t=this.readF32();else if(203===e)t=this.readF64();else if(204===e)t=this.readU8();else if(205===e)t=this.readU16();else if(206===e)t=this.readU32();else if(207===e)t=this.readU64();else if(208===e)t=this.readI8();else if(209===e)t=this.readI16();else if(210===e)t=this.readI32();else if(211===e)t=this.readI64();else if(217===e){r=this.lookU8();t=this.decodeUtf8String(r,1)}else if(218===e){r=this.lookU16();t=this.decodeUtf8String(r,2)}else if(219===e){r=this.lookU32();t=this.decodeUtf8String(r,4)}else if(220===e){if(0!==(n=this.readU16())){this.pushArrayState(n),this.complete();continue e}t=[]}else if(221===e){if(0!==(n=this.readU32())){this.pushArrayState(n),this.complete();continue e}t=[]}else if(222===e){if(0!==(n=this.readU16())){this.pushMapState(n),this.complete();continue e}t={}}else if(223===e){if(0!==(n=this.readU32())){this.pushMapState(n),this.complete();continue e}t={}}else if(196===e){var n=this.lookU8();t=this.decodeBinary(n,1)}else if(197===e){n=this.lookU16();t=this.decodeBinary(n,2)}else if(198===e){n=this.lookU32();t=this.decodeBinary(n,4)}else if(212===e)t=this.decodeExtension(1,0);else if(213===e)t=this.decodeExtension(2,0);else if(214===e)t=this.decodeExtension(4,0);else if(215===e)t=this.decodeExtension(8,0);else if(216===e)t=this.decodeExtension(16,0);else if(199===e){n=this.lookU8();t=this.decodeExtension(n,1)}else if(200===e){n=this.lookU16();t=this.decodeExtension(n,2)}else{if(201!==e)throw new Error("Unrecognized type byte: "+j(e));n=this.lookU32();t=this.decodeExtension(n,4)}this.complete();for(var i=this.stack;i.length>0;){var o=i[i.length-1];if(0===o.type){if(o.array[o.position]=t,o.position++,o.position!==o.size)continue e;i.pop(),t=o.array}else{if(1===o.type){if("string"!=typeof t)throw new Error("The type of key must be string but "+typeof t);o.key=t,o.type=2;continue e}if(2===o.type){if(o.map[o.key]=t,o.readCount++,o.readCount!==o.size){o.key=null,o.type=1;continue e}i.pop(),t=o.map}}}return t}},e.prototype.readHeadByte=function(){return this.headByte===H&&(this.headByte=this.readU8()),this.headByte},e.prototype.complete=function(){this.headByte=H},e.prototype.readArraySize=function(){var e=this.readHeadByte();switch(e){case 220:return this.readU16();case 221:return this.readU32();default:if(e<160)return e-144;throw new Error("Unrecognized array type byte: "+j(e))}},e.prototype.pushMapState=function(e){if(e>this.maxMapLength)throw new Error("Max length exceeded: map length ("+e+") > maxMapLengthLength ("+this.maxMapLength+")");this.stack.push({type:1,size:e,key:null,readCount:0,map:{}})},e.prototype.pushArrayState=function(e){if(e>this.maxArrayLength)throw new Error("Max length exceeded: array length ("+e+") > maxArrayLength ("+this.maxArrayLength+")");this.stack.push({type:0,size:e,array:new Array(e),position:0})},e.prototype.decodeUtf8String=function(e,t){if(e>this.maxStrLength)throw new Error("Max length exceeded: UTF-8 byte length ("+e+") > maxStrLength ("+this.maxStrLength+")");if(this.bytes.byteLength<this.pos+t+e)throw J;var r,n=this.pos+t;return r=this.stateIsMapKey()&&this.cachedKeyDecoder.canBeCached(e)?this.cachedKeyDecoder.decode(this.bytes,n,e):o&&e>200?function(e,t,r){var n=e.subarray(t,t+r);return f.decode(n)}(this.bytes,n,e):A&&e>1024?T(this.bytes,n,e):c(this.bytes,n,e),this.pos+=t+e,r},e.prototype.stateIsMapKey=function(){return this.stack.length>0&&1===this.stack[this.stack.length-1].type},e.prototype.decodeBinary=function(e,t){if(e>this.maxBinLength)throw new Error("Max length exceeded: bin length ("+e+") > maxBinLength ("+this.maxBinLength+")");if(!this.hasRemaining(e+t))throw J;var r=this.pos+t,n=this.bytes.subarray(r,r+e);return this.pos+=t+e,n},e.prototype.decodeExtension=function(e,t){if(e>this.maxExtLength)throw new Error("Max length exceeded: ext length ("+e+") > maxExtLength ("+this.maxExtLength+")");var r=this.view.getInt8(this.pos+t),n=this.decodeBinary(e,t+1);return this.extensionCodec.decode(n,r)},e.prototype.lookU8=function(){return this.view.getUint8(this.pos)},e.prototype.lookU16=function(){return this.view.getUint16(this.pos)},e.prototype.lookU32=function(){return this.view.getUint32(this.pos)},e.prototype.readU8=function(){var e=this.view.getUint8(this.pos);return this.pos++,e},e.prototype.readI8=function(){var e=this.view.getInt8(this.pos);return this.pos++,e},e.prototype.readU16=function(){var e=this.view.getUint16(this.pos);return this.pos+=2,e},e.prototype.readI16=function(){var e=this.view.getInt16(this.pos);return this.pos+=2,e},e.prototype.readU32=function(){var e=this.view.getUint32(this.pos);return this.pos+=4,e},e.prototype.readI32=function(){var e=this.view.getInt32(this.pos);return this.pos+=4,e},e.prototype.readU64=function(){var e,t,r=(e=this.view,t=this.pos,4294967296*e.getUint32(t)+e.getUint32(t+4));return this.pos+=8,r},e.prototype.readI64=function(){var e=d(this.view,this.pos);return this.pos+=8,e},e.prototype.readF32=function(){var e=this.view.getFloat32(this.pos);return this.pos+=4,e},e.prototype.readF64=function(){var e=this.view.getFloat64(this.pos);return this.pos+=8,e},e}(),$={};function ee(e,t){void 0===t&&(t=$);var r=new Z(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength);return r.setBuffer(e),r.decodeOneSync()}var te=function(e,t){var r,n,i,o,s={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return o={next:a(0),throw:a(1),return:a(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function a(o){return function(a){return function(o){if(r)throw new TypeError("Generator is already executing.");for(;s;)try{if(r=1,n&&(i=2&o[0]?n.return:o[0]?n.throw||((i=n.return)&&i.call(n),0):n.next)&&!(i=i.call(n,o[1])).done)return i;switch(n=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return s.label++,{value:o[1],done:!1};case 5:s.label++,n=o[1],o=[0];continue;case 7:o=s.ops.pop(),s.trys.pop();continue;default:if(!(i=(i=s.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){s=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){s.label=o[1];break}if(6===o[0]&&s.label<i[1]){s.label=i[1],i=o;break}if(i&&s.label<i[2]){s.label=i[2],s.ops.push(o);break}i[2]&&s.ops.pop(),s.trys.pop();continue}o=t.call(e,s)}catch(e){o=[6,e],n=0}finally{r=i=0}if(5&o[0])throw o[1];return{value:o[0]?o[1]:void 0,done:!0}}([o,a])}}},re=function(e){return this instanceof re?(this.v=e,this):new re(e)},ne=function(e,t,r){if(!Symbol.asyncIterator)throw new TypeError("Symbol.asyncIterator is not defined.");var n,i=r.apply(e,t||[]),o=[];return n={},s("next"),s("throw"),s("return"),n[Symbol.asyncIterator]=function(){return this},n;function s(e){i[e]&&(n[e]=function(t){return new Promise(function(r,n){o.push([e,t,r,n])>1||a(e,t)})})}function a(e,t){try{(r=i[e](t)).value instanceof re?Promise.resolve(r.value.v).then(h,u):c(o[0][2],r)}catch(e){c(o[0][3],e)}var r}function h(e){a("next",e)}function u(e){a("throw",e)}function c(e,t){e(t),o.shift(),o.length&&a(o[0][0],o[0][1])}};function ie(e){return null!=e[Symbol.asyncIterator]?e:function(e){return ne(this,arguments,function(){var t,r,n,i;return te(this,function(o){switch(o.label){case 0:t=e.getReader(),o.label=1;case 1:o.trys.push([1,,9,10]),o.label=2;case 2:return[4,re(t.read())];case 3:return r=o.sent(),n=r.done,i=r.value,n?[4,re(void 0)]:[3,5];case 4:return[2,o.sent()];case 5:return[4,re(i)];case 6:return[4,o.sent()];case 7:return o.sent(),[3,2];case 8:return[3,10];case 9:return t.releaseLock(),[7];case 10:return[2]}})})}(e)}var oe=function(e,t,r,n){return new(r||(r=Promise))(function(i,o){function s(e){try{h(n.next(e))}catch(e){o(e)}}function a(e){try{h(n.throw(e))}catch(e){o(e)}}function h(e){e.done?i(e.value):new r(function(t){t(e.value)}).then(s,a)}h((n=n.apply(e,t||[])).next())})},se=function(e,t){var r,n,i,o,s={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return o={next:a(0),throw:a(1),return:a(2)},"function"==typeof Symbol&&(o[Symbol.iterator]=function(){return this}),o;function a(o){return function(a){return function(o){if(r)throw new TypeError("Generator is already executing.");for(;s;)try{if(r=1,n&&(i=2&o[0]?n.return:o[0]?n.throw||((i=n.return)&&i.call(n),0):n.next)&&!(i=i.call(n,o[1])).done)return i;switch(n=0,i&&(o=[2&o[0],i.value]),o[0]){case 0:case 1:i=o;break;case 4:return s.label++,{value:o[1],done:!1};case 5:s.label++,n=o[1],o=[0];continue;case 7:o=s.ops.pop(),s.trys.pop();continue;default:if(!(i=(i=s.trys).length>0&&i[i.length-1])&&(6===o[0]||2===o[0])){s=0;continue}if(3===o[0]&&(!i||o[1]>i[0]&&o[1]<i[3])){s.label=o[1];break}if(6===o[0]&&s.label<i[1]){s.label=i[1],i=o;break}if(i&&s.label<i[2]){s.label=i[2],s.ops.push(o);break}i[2]&&s.ops.pop(),s.trys.pop();continue}o=t.call(e,s)}catch(e){o=[6,e],n=0}finally{r=i=0}if(5&o[0])throw o[1];return{value:o[0]?o[1]:void 0,done:!0}}([o,a])}}};function ae(e,t){return void 0===t&&(t=$),oe(this,void 0,void 0,function(){var r;return se(this,function(n){return r=ie(e),[2,new Z(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeOneAsync(r)]})})}function he(e,t){void 0===t&&(t=$);var r=ie(e);return new Z(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeArrayStream(r)}function ue(e,t){void 0===t&&(t=$);var r=ie(e);return new Z(t.extensionCodec,t.maxStrLength,t.maxBinLength,t.maxArrayLength,t.maxMapLength,t.maxExtLength).decodeStream(r)}r.d(t,"encode",function(){return P}),r.d(t,"decode",function(){return ee}),r.d(t,"decodeAsync",function(){return ae}),r.d(t,"decodeArrayStream",function(){return he}),r.d(t,"decodeStream",function(){return ue}),r.d(t,"Decoder",function(){return Z}),r.d(t,"Encoder",function(){return C}),r.d(t,"ExtensionCodec",function(){return S}),r.d(t,"ExtData",function(){return l}),r.d(t,"EXT_TIMESTAMP",function(){return-1}),r.d(t,"encodeDateToTimeSpec",function(){return g}),r.d(t,"encodeTimeSpecToTimestamp",function(){return v}),r.d(t,"decodeTimestampToTimeSpec",function(){return m}),r.d(t,"encodeTimestampExtension",function(){return b}),r.d(t,"decodeTimestampExtension",function(){return U}),r.d(t,"__WASM_AVAILABLE",function(){return A})}])}); | ||
| //# sourceMappingURL=msgpack.min.js.map |
@@ -1,2 +0,3 @@ | ||
| declare enum State { | ||
| import { CachedKeyDecoder } from "./CachedKeyDecoder"; | ||
| declare const enum State { | ||
| ARRAY = 0, | ||
@@ -34,2 +35,3 @@ MAP_KEY = 1, | ||
| readonly stack: Array<StackState>; | ||
| readonly cachedKeyDecoder: CachedKeyDecoder; | ||
| constructor(extensionCodec?: import("./ExtensionCodec").ExtensionCodecType, maxStrLength?: number, maxBinLength?: number, maxArrayLength?: number, maxMapLength?: number, maxExtLength?: number); | ||
@@ -51,2 +53,3 @@ setBuffer(buffer: ArrayLike<number> | ArrayBuffer): void; | ||
| decodeUtf8String(byteLength: number, headerOffset: number): string; | ||
| stateIsMapKey(): boolean; | ||
| decodeBinary(byteLength: number, headOffset: number): Uint8Array; | ||
@@ -53,0 +56,0 @@ decodeExtension(size: number, headOffset: number): unknown; |
@@ -9,8 +9,3 @@ "use strict"; | ||
| const wasmFunctions_1 = require("./wasmFunctions"); | ||
| var State; | ||
| (function (State) { | ||
| State[State["ARRAY"] = 0] = "ARRAY"; | ||
| State[State["MAP_KEY"] = 1] = "MAP_KEY"; | ||
| State[State["MAP_VALUE"] = 2] = "MAP_VALUE"; | ||
| })(State || (State = {})); | ||
| const CachedKeyDecoder_1 = require("./CachedKeyDecoder"); | ||
| const HEAD_BYTE_REQUIRED = -1; | ||
@@ -34,2 +29,3 @@ const EMPTY_VIEW = new DataView(new ArrayBuffer(0)); | ||
| const DEFAULT_MAX_LENGTH = 4294967295; // uint32_max | ||
| const sharedCachedKeyDecoder = new CachedKeyDecoder_1.CachedKeyDecoder(); | ||
| class Decoder { | ||
@@ -49,2 +45,4 @@ constructor(extensionCodec = ExtensionCodec_1.ExtensionCodec.defaultCodec, maxStrLength = DEFAULT_MAX_LENGTH, maxBinLength = DEFAULT_MAX_LENGTH, maxArrayLength = DEFAULT_MAX_LENGTH, maxMapLength = DEFAULT_MAX_LENGTH, maxExtLength = DEFAULT_MAX_LENGTH) { | ||
| this.stack = []; | ||
| // TODO: parameterize this property. | ||
| this.cachedKeyDecoder = sharedCachedKeyDecoder; | ||
| } | ||
@@ -380,3 +378,3 @@ setBuffer(buffer) { | ||
| const state = stack[stack.length - 1]; | ||
| if (state.type === State.ARRAY) { | ||
| if (state.type === 0 /* ARRAY */) { | ||
| state.array[state.position] = object; | ||
@@ -392,3 +390,3 @@ state.position++; | ||
| } | ||
| else if (state.type === State.MAP_KEY) { | ||
| else if (state.type === 1 /* MAP_KEY */) { | ||
| if (typeof object !== "string") { | ||
@@ -398,6 +396,6 @@ throw new Error("The type of key must be string but " + typeof object); | ||
| state.key = object; | ||
| state.type = State.MAP_VALUE; | ||
| state.type = 2 /* MAP_VALUE */; | ||
| continue DECODE; | ||
| } | ||
| else if (state.type === State.MAP_VALUE) { | ||
| else if (state.type === 2 /* MAP_VALUE */) { | ||
| // eslint-disable-next-line @typescript-eslint/no-non-null-assertion | ||
@@ -412,3 +410,3 @@ state.map[state.key] = object; | ||
| state.key = null; | ||
| state.type = State.MAP_KEY; | ||
| state.type = 1 /* MAP_KEY */; | ||
| continue DECODE; | ||
@@ -453,3 +451,3 @@ } | ||
| this.stack.push({ | ||
| type: State.MAP_KEY, | ||
| type: 1 /* MAP_KEY */, | ||
| size, | ||
@@ -466,3 +464,3 @@ key: null, | ||
| this.stack.push({ | ||
| type: State.ARRAY, | ||
| type: 0 /* ARRAY */, | ||
| size, | ||
@@ -482,3 +480,6 @@ array: new Array(size), | ||
| let object; | ||
| if (utf8_1.TEXT_ENCODING_AVAILABLE && byteLength > utf8_1.TEXT_DECODER_THRESHOLD) { | ||
| if (this.stateIsMapKey() && this.cachedKeyDecoder.canBeCached(byteLength)) { | ||
| object = this.cachedKeyDecoder.decode(this.bytes, offset, byteLength); | ||
| } | ||
| else if (utf8_1.TEXT_ENCODING_AVAILABLE && byteLength > utf8_1.TEXT_DECODER_THRESHOLD) { | ||
| object = utf8_1.utf8DecodeTD(this.bytes, offset, byteLength); | ||
@@ -495,2 +496,9 @@ } | ||
| } | ||
| stateIsMapKey() { | ||
| if (this.stack.length > 0) { | ||
| const state = this.stack[this.stack.length - 1]; | ||
| return state.type === 1 /* MAP_KEY */; | ||
| } | ||
| return false; | ||
| } | ||
| decodeBinary(byteLength, headOffset) { | ||
@@ -497,0 +505,0 @@ if (byteLength > this.maxBinLength) { |
| { | ||
| "name": "@msgpack/msgpack", | ||
| "version": "1.6.0", | ||
| "version": "1.7.0", | ||
| "description": "MessagePack for JavaScript/ECMA-262", | ||
@@ -68,3 +68,3 @@ "author": "The MessagePack community", | ||
| "core-js": "latest", | ||
| "eslint": "^5", | ||
| "eslint": "latest", | ||
| "eslint-config-prettier": "latest", | ||
@@ -71,0 +71,0 @@ "eslint-plugin-import": "latest", |
@@ -397,13 +397,13 @@ # MessagePack for JavaScript/ECMA-262 | ||
| Benchmark on NodeJS/v12.3.1 | ||
| Benchmark on NodeJS/v12.7.0 | ||
| operation | op | ms | op/s | ||
| ----------------------------------------------------------------- | ------: | ----: | ------: | ||
| buf = Buffer.from(JSON.stringify(obj)); | 497600 | 5000 | 99520 | ||
| buf = JSON.stringify(obj); | 969500 | 5000 | 193900 | ||
| obj = JSON.parse(buf); | 345300 | 5000 | 69060 | ||
| buf = require("msgpack-lite").encode(obj); | 369100 | 5000 | 73820 | ||
| obj = require("msgpack-lite").decode(buf); | 278900 | 5000 | 55780 | ||
| buf = require("@msgpack/msgpack").encode(obj); | 556900 | 5000 | 111380 | ||
| obj = require("@msgpack/msgpack").decode(buf); | 502200 | 5000 | 100440 | ||
| buf = Buffer.from(JSON.stringify(obj)); | 507700 | 5000 | 101540 | ||
| buf = JSON.stringify(obj); | 958100 | 5000 | 191620 | ||
| obj = JSON.parse(buf); | 346500 | 5000 | 69300 | ||
| buf = require("msgpack-lite").encode(obj); | 361800 | 5001 | 72345 | ||
| obj = require("msgpack-lite").decode(buf); | 267400 | 5000 | 53480 | ||
| buf = require("@msgpack/msgpack").encode(obj); | 510200 | 5000 | 102040 | ||
| obj = require("@msgpack/msgpack").decode(buf); | 825500 | 5000 | 165100 | ||
@@ -410,0 +410,0 @@ Note that `Buffer.from()` for `JSON.stringify()` is added to emulate I/O where a JavaScript string must be converted into a byte array encoded in UTF-8, whereas MessagePack's `encode()` returns a byte array. |
@@ -7,4 +7,5 @@ import { prettyByte } from "./utils/prettyByte"; | ||
| import { WASM_AVAILABLE, WASM_STR_THRESHOLD, utf8DecodeWasm } from "./wasmFunctions"; | ||
| import { CachedKeyDecoder } from "./CachedKeyDecoder"; | ||
| enum State { | ||
| const enum State { | ||
| ARRAY, | ||
@@ -54,2 +55,4 @@ MAP_KEY, | ||
| const sharedCachedKeyDecoder = new CachedKeyDecoder(); | ||
| export class Decoder { | ||
@@ -64,2 +67,5 @@ totalPos = 0; | ||
| // TODO: parameterize this property. | ||
| readonly cachedKeyDecoder = sharedCachedKeyDecoder; | ||
| constructor( | ||
@@ -488,3 +494,5 @@ readonly extensionCodec = ExtensionCodec.defaultCodec, | ||
| let object: string; | ||
| if (TEXT_ENCODING_AVAILABLE && byteLength > TEXT_DECODER_THRESHOLD) { | ||
| if (this.stateIsMapKey() && this.cachedKeyDecoder.canBeCached(byteLength)) { | ||
| object = this.cachedKeyDecoder.decode(this.bytes, offset, byteLength); | ||
| } else if (TEXT_ENCODING_AVAILABLE && byteLength > TEXT_DECODER_THRESHOLD) { | ||
| object = utf8DecodeTD(this.bytes, offset, byteLength); | ||
@@ -500,2 +508,10 @@ } else if (WASM_AVAILABLE && byteLength > WASM_STR_THRESHOLD) { | ||
| stateIsMapKey(): boolean { | ||
| if (this.stack.length > 0) { | ||
| const state = this.stack[this.stack.length - 1]; | ||
| return state.type === State.MAP_KEY; | ||
| } | ||
| return false; | ||
| } | ||
| decodeBinary(byteLength: number, headOffset: number): Uint8Array { | ||
@@ -502,0 +518,0 @@ if (byteLength > this.maxBinLength) { |
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New alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Fixed alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by4.07%
772784
- Number of package files
- increased by5.41%
78
- Lines of code
- increased by3.82%
7643
No dependency changes